82665647004855 has 32 divisors (see below), whose sum is σ = 132433464623616. Its totient is φ = 44032233279104.

The previous prime is 82665647004817. The next prime is 82665647004901. The reversal of 82665647004855 is 55840074656628.

82665647004855 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 82665647004855 - 2⁷ = 82665647004727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41291389 + ... + 43247081.

It is an arithmetic number, because the mean of its divisors is an integer number (4138545769488).

Almost surely, 2^{82665647004855} is an apocalyptic number.

82665647004855 is a deficient number, since it is larger than the sum of its proper divisors (49767817618761).

82665647004855 is a wasteful number, since it uses less digits than its factorization.

82665647004855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959287.

The product of its (nonzero) digits is 387072000, while the sum is 66.

The spelling of 82665647004855 in words is "eighty-two trillion, six hundred sixty-five billion, six hundred forty-seven million, four thousand, eight hundred fifty-five".